Stamp



FIG. 1 is a top perspective view of a stamp showing my new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a left side elevation thereof;

FIG. 5 is a right side elevation thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a cross-sectional view thereof taken along line B—B in FIG. 5; and,

FIG. 9 is a cross-sectional view thereof taken along line A—A in FIG. 2. 

The ornamental design for a stamp, as shown and described. 